v3.26.1
Fair Value Measurements (Details) - Financial Instruments - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financial Instruments    
Short-term securities $ 6,660 $ 5,716
Carrying Value [Member]    
Financial Instruments    
Short-term securities 6,660 5,716
Debt 9,168 9,167
Commercial paper 100 100
Fair Value [Member]    
Financial Instruments    
Short-term securities 6,660 5,716
Debt 8,330 8,538
Commercial paper 100 100
Fair Value [Member] | Level 1 [Member]    
Financial Instruments    
Short-term securities 598 1,398
Debt 0 0
Commercial paper 0 0
Fair Value [Member] | Level 2 [Member]    
Financial Instruments    
Short-term securities 6,011 4,267
Debt 8,330 8,538
Commercial paper 100 100
Fair Value [Member] | Level 3 [Member]    
Financial Instruments    
Short-term securities 51 51
Debt 0 0
Commercial paper $ 0 $ 0